With iOS 8.2 and earlier, Airplane mode in iOS would turn off all four radios in an iPhone: Bluetooth, Cellular, GPS and Wi-Fi. Starting in iOS 8.3, that changed with GPS. Plus, starting with iPhone 6, NFC is not disabled either.
With iOS 8.2 and earlier, Airplane mode in iOS would turn off all four radios in an iPhone: Bluetooth, Cellular, GPS and Wi-Fi. Starting in iOS 8.3, that changed with GPS. Plus, starting with iPhone 6, NFC is not disabled either.